Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6895393 | Electronic book distributing system by use of purchase certificate and devices therefor | Toru Numata, Tadashi Kuwabara, Hiroshi Shimizu, Misuzu Mochizuki, Yukinobu Tada +6 more | 2005-05-17 |
| 5781731 | Schedule management support system | Hiroyuki Koreeda, Yasuhiko Kasai, Tsukasa Yamauchi, Hajime Asuma, Shigeto Oeda +8 more | 1998-07-14 |